Coffee table



FIG. 1 is a top plan view of a coffee table showing my design;

FIG. 2 is a front view thereof;

FIG. 3 is a view from the right end thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a view from the left end thereof; and

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a coffee table, substantially as shown and described. 